deposito's in het oosten van continenten
  
  
Azië
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
  
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
  
Afrika
Namibia, Nigeria, South Africa
  
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
  
Europa
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
  
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom
  
anderen
Groenland
  
Nog niet gevonden
  
deposito's in het westen van continenten
  
  
Noord Amerika
Barbados, Canada, Mexico, Panama, USA
  
Canada, Mexico, USA
  
Zuid-Amerika
Brazil
  
Brazil, Chile, Colombia, Venezuela
  
deposito's in Oceanië continent
  
  
Australië
New South Wales, New Zealand
  
New South Wales, Queensland, Victoria